CN212840038U - HDPE double-walled bellows connection structure - Google Patents
HDPE double-walled bellows connection structure Download PDFInfo
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- CN212840038U CN212840038U CN202021632538.1U CN202021632538U CN212840038U CN 212840038 U CN212840038 U CN 212840038U CN 202021632538 U CN202021632538 U CN 202021632538U CN 212840038 U CN212840038 U CN 212840038U
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- corrugated pipe
- bellows
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Abstract
The utility model discloses a HDPE double-wall corrugated pipe connecting structure, belonging to the technical field of pipelines, comprising a corrugated pipe A and a corrugated pipe B, wherein the edge of the connecting end surface of the corrugated pipe A and the corrugated pipe B is provided with a plurality of bosses which are circumferentially distributed along the outer edge of the pipe; after the end faces of the corrugated pipe A and the corrugated pipe B are aligned, the bosses correspond to each other one by one, each group of corresponding bosses is further provided with a connecting clamping sleeve, and the connecting clamping sleeves are movably connected with the bosses. According to the technical scheme, the two sections of corrugated pipes are connected in a mechanical connection mode, external hot melting equipment is not needed, and the dependence on equipment such as hot melting and power generation in the process of pipeline construction of the HDPE double-wall corrugated pipe is greatly reduced. The connecting structure of the connecting clamping sleeve and the boss is adopted, so that the connection of the pipeline joint is more reliable, the screw is radially installed, the connecting clamping sleeve is fixed instead of directly fixing the boss, the stress of the corrugated pipe joint is more uniform, and the connection is more reliable.
Description
Technical Field
The utility model belongs to the technical field of the pipeline, a bellows is related to, especially, relate to a HDPE double-walled bellows connection structure.
Background
The traditional cement drainage pipeline has some defects in application, such as strong brittleness, easy cracking or breaking if the pipeline is buried underground and has geological changes such as settlement, and the like. The problems are well overcome by the appearance of the HDPE double-wall corrugated pipe, the forming length of the HDPE double-wall corrugated pipe is limited, a complete pipeline is usually formed by connecting a plurality of HDPE double-wall corrugated pipes, and with the popularization and the use of the HDPE double-wall corrugated pipe, the technical problem that the connection of the HDPE double-wall corrugated pipe needs to be improved is gradually found. Because the corrugated structure of HDPE double-walled bellows makes the pipe connection comparatively difficult, among the prior art, the connected mode of HDPE double-walled bellows is hot melt connection, heats into the molten form through heating equipment with two pipeline junctions of treating the connection promptly, makes both link into an organic whole, and such connected mode can make both connect well, and connects reliably, and the appearance is pleasing to the eye. However, the method has the problems that hot melting equipment is required, pipelines used in part of projects are thick, the used hot melting equipment is correspondingly large in size, electric energy is required to be used by the hot melting equipment, power utilization conditions are not met under a plurality of construction conditions, only a generator is adopted for generating power, and the dependence of pipeline installation on auxiliary equipment is further increased; in addition, the hot melting equipment needs to be preheated before being used, the process is very slow, and the engineering progress is influenced to a great extent by the hot melting and connecting process.
Therefore, chinese utility model patent with application number CN201921178206.8 discloses a coupling assembling of HDPE double-walled bellows, including the bellows body, the one end of bellows body is equipped with down coupling mechanism, the other end of bellows body is equipped with coupling mechanism, all be equipped with the first fixed subassembly of fixing it with the bellows body down between coupling mechanism and the last connection structure and the bellows body, utilize first fixed subassembly will be down coupling mechanism and last connection structure and the both ends of bellows carry out fixed connection, utilize the fixed subassembly of second will be down coupling mechanism and last connection structure and fix, thereby connect two bernoulli and fix, bellows sealing performance after the connection is strong, the sound construction, long-term use can not take place to become flexible, avoid the bellows junction to take place to leak. The technical scheme well solves the problem of corrugated pipe connection, but the structure is complex, the number of parts required by installation is large, and the installation difficulty is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a HDPE double-walled bellows connection structure to reach simple installation, connect reliable effect.
The utility model discloses a realize through following technical scheme.
The HDPE double-wall corrugated pipe connecting structure comprises a corrugated pipe A and a corrugated pipe B, wherein a plurality of bosses are arranged at the edges of the connecting end surfaces of the corrugated pipe A and the corrugated pipe B, and are circumferentially distributed along the outer edge of the pipe; after the end faces of the corrugated pipe A and the corrugated pipe B are aligned, the bosses correspond to each other one by one, each group of corresponding bosses is further provided with a connecting clamping sleeve, and the connecting clamping sleeves are movably connected with the bosses.
Furthermore, seal grooves are correspondingly arranged on the end faces of the corrugated pipe A and the corrugated pipe B.
Further, a sealing ring is arranged between the corrugated pipe A and the corrugated pipe B.
Furthermore, the connecting clamping sleeve is provided with a through hole, and the connecting clamping sleeve and the boss are fixedly connected through the through hole by a screw.
Furthermore, the connecting clamp sleeve is molded by adopting a high polymer composite material.
Further, the screw is a self-tapping screw.
The utility model has the advantages that:
a HDPE double-walled bellows connection structure, the mode that adopts mechanical connection connects two sections bellows, no longer need be with the help of outside hot melt equipment, greatly reduced relate to the dependence of equipment such as hot melt, electricity generation in the pipeline construction process of HDPE double-walled bellows. The connecting structure of the connecting clamping sleeve and the boss is adopted, so that the connection of the pipeline joint is more reliable, the screw is installed in the radial direction, the connecting clamping sleeve is fixed instead of directly fixing the boss, and under the condition of standard production of the connecting clamping sleeve, the fixing pressure of the connecting clamping sleeve to the boss is close to the same, so that the stress of the corrugated pipe joint is more uniform, and the connection is more reliable. The sealing ring structure arranged on the end face avoids leakage at the joint of the pipeline.
The technical scheme has the advantages of simple structure, easy realization, completely identical structure of two ends of the corrugated pipe, simplified production and processing technology, more contribution to product standardization and contribution to improving the pipeline installation efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the end face and the connecting clamp sleeve of the medium corrugated pipe of the present invention.
Fig. 3 is a schematic structural view of the two sections of bellows connected according to the present invention.
Fig. 4 is a schematic structural diagram at C in fig. 3.
In the figure: the sealing structure comprises a 1-corrugated pipe A, a 2-corrugated pipe B, a 3-boss, a 4-sealing groove, a 5-sealing ring, a 6-connecting clamping sleeve, a 601-through hole and a 7-screw.
Detailed Description
The technical solution of the present invention is further described below with reference to the accompanying drawings, but the scope of protection claimed is not limited to the description.
As shown in fig. 1-3, the HDPE double-walled bellows connection structure of the present invention includes bellows a1 and bellows B2, and is characterized in that: the edge of the connecting end face of the corrugated pipe A1 and the corrugated pipe B2 is provided with a plurality of bosses 3, and the bosses 3 are circumferentially distributed along the outer edge of the pipe; after bellows A1 and bellows B2 terminal surface align, boss 3 one-to-one, still be equipped with connecting cutting ferrule 6 on every group boss 3 that corresponds, connecting cutting ferrule 6 and boss 3 swing joint.
And sealing grooves 4 are correspondingly arranged on the end surfaces of the corrugated pipe A1 and the corrugated pipe B2. And the sealing grooves 4 are correspondingly folded to form a complete groove body. Still be equipped with sealing washer 5 between bellows A1 and the bellows B2, sealing washer 5 is installed in seal groove 4, and bellows A1 compresses tightly sealing washer 5 with bellows B2 after being connected fixedly, forms sealedly to the pipeline junction.
The connecting clamping sleeve 6 is provided with a through hole 601, the connecting clamping sleeve 6 and the boss 3 are fixedly connected through the through hole 601 by using a screw 7, the connection and fastening of the connecting clamping sleeve 6 and the corrugated pipe joint are realized, and the connecting clamping sleeve 6 is prevented from falling off in the installation and moving processes.
Connecting cutting ferrule 6 adopts polymer composite compression molding, and its intensity is high, and is corrosion-resistant, more is fit for carrying out mechanized production, avoids bellows A1 and bellows B2 junction not hard up to lead to the seepage after the installation, and connection reliability is higher.
The screws 7 are self-tapping screws, and the process of drilling threaded holes in the bosses 3 is reduced.
Example one
As shown in fig. 1-3, in the production process, the two ends of the corrugated pipe are identical in structure, the production process is simplified, the placing direction of the corrugated pipe is not needed to be considered in the installation process, and the workload in the construction process is reduced.
During installation, the sealing ring 5 is installed in the sealing groove 4 between the corrugated pipe A1 and the corrugated pipe B2, the connecting ends of the corrugated pipes A1 and the corrugated pipes B2 are correspondingly folded, the corresponding bosses 3 are correspondingly grouped one by rotating, the connecting clamp sleeve is buckled on each group of bosses 3, the screw 7 is connected with the surfaces of the bosses 3 through the through holes 601, and the connecting clamp sleeve 6 is fixedly connected with the bosses 3. Since the corrugated pipe is made of high-density polyethylene material, the screws 7 are self-tapping screws, so that the surface of the boss 3 is not required to be perforated.
After the installation, boss 3 adds connecting cutting ferrule 6, and the diameter of junction is only slightly greater than the bellows external diameter, and is minimum to bellows overall structure influence, and there are boss 3 structure and connecting cutting ferrule 6 structure in the junction, and its compressive strength also can not receive the influence.
When the corrugated pipe is disassembled, the corrugated pipe A1 and the corrugated pipe B2 can be separated for dredging or overhauling and the like only by disassembling the screw 7 and disassembling the connecting clamp sleeve 6 from the boss 3. After the dredging or overhauling is completed, only the end face needs to be cleaned, the sealing ring 5 and the sealing groove 4 are cleaned, no impurity is ensured, and the sealing ring is installed back according to the installation steps.
The above-mentioned embodiments are merely exemplary, so as to enable those skilled in the art to better understand the technical solution, and should not be construed as limiting the scope of the present invention, and all modifications and simple substitutions made according to the technical solution of the present invention fall within the scope of the present invention.
Claims (6)
1. The utility model provides a HDPE double-walled bellows connection structure, includes bellows A (1) and bellows B (2), its characterized in that: the edge of the connecting end face of the corrugated pipe A (1) and the corrugated pipe B (2) is provided with a plurality of bosses (3), and the bosses (3) are circumferentially distributed along the outer edge of the pipe; bellows A (1) and bellows B (2) terminal surface align the back, boss (3) one-to-one, still be equipped with connecting cutting ferrule (6) on every group boss (3) that correspond, connecting cutting ferrule (6) and boss (3) swing joint.
2. A HDPE double-walled bellows connection according to claim 1, characterized in that: and sealing grooves (4) are correspondingly arranged on the end faces of the corrugated pipe A (1) and the corrugated pipe B (2).
3. A HDPE double-walled bellows connection according to claim 1, characterized in that: and a sealing ring (5) is also arranged between the corrugated pipe A (1) and the corrugated pipe B (2).
4. A HDPE double-walled bellows connection according to claim 1, characterized in that: the connecting clamp sleeve (6) is provided with a through hole (601), and the connecting clamp sleeve (6) is fixedly connected with the boss (3) through the through hole (601) by a screw (7).
5. A HDPE double-walled bellows connection according to claim 1, characterized in that: the connecting clamping sleeve (6) is molded by adopting a high polymer composite material.
6. A HDPE double-wall corrugated pipe connection structure according to claim 4, characterized in that: the screw (7) is a self-tapping screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632538.1U CN212840038U (en) | 2020-08-07 | 2020-08-07 | HDPE double-walled bellows connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021632538.1U CN212840038U (en) | 2020-08-07 | 2020-08-07 | HDPE double-walled bellows connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212840038U true CN212840038U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021632538.1U Active CN212840038U (en) | 2020-08-07 | 2020-08-07 | HDPE double-walled bellows connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212840038U (en) |
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2020
- 2020-08-07 CN CN202021632538.1U patent/CN212840038U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A HDPE Double wall corrugated pipe connection structure Effective date of registration: 20220627 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2022980008979 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230704 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2022980008979 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A HDPE double wall corrugated pipe connection structure Effective date of registration: 20230707 Granted publication date: 20210330 Pledgee: Huangshong branch of rural credit cooperative association of Pingba District, Anshun City Pledgor: Guizhou Shicheng Pipe Technology Co.,Ltd. Registration number: Y2023520000033 |